CERN IT
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| CERN IT | |
|---|---|
| Name | CERN IT |
| Caption | CERN computing centre racks |
| Formation | 1954 |
| Headquarters | Meyrin, Switzerland |
| Region served | Worldwide |
| Leader title | Head of IT Department |
| Parent organization | CERN |
CERN IT is the information technology department of CERN, the European Organization for Nuclear Research, providing computing infrastructure, services, and research support for particle physics experiments. It operates large-scale data centres, network backbones, and software platforms that enable experiments such as ATLAS, CMS, ALICE, and LHCb to process petabytes of data. The department supports international collaborations, training programmes, and standards work with organisations including the European Commission, OpenStack Foundation, and W3C.
History
CERN IT traces its origins to early computing efforts at CERN alongside projects such as the Synchrocyclotron, Proton Synchrotron, and the development of the World Wide Web by Tim Berners-Lee, intertwining with initiatives like the European Laboratory for Particle Physics and the founding of the LHC project. During the 1970s and 1980s, CERN computing evolved through deployments of mainframes, UNIX farms, and grid concepts influenced by work at the European Organization for Nuclear Research and collaborations with laboratories such as DESY, Fermilab, and SLAC National Accelerator Laboratory. The 1990s saw adoption of the World Wide Web and networking partnerships with entities like RIPE NCC, GÉANT, and Internet2, while the 2000s featured the creation of the Worldwide LHC Computing Grid with partners including Tier 0, Tier 1, and Tier 2 centres across institutions such as CNAF, TRIUMF, and BNL. In the 2010s and 2020s, CERN IT pivoted toward cloud technologies, container orchestration, and open-source projects in collaboration with the OpenStack Foundation, Kubernetes, and initiatives tied to the European Open Science Cloud.
Organization and Governance
The department is governed within CERN's institutional framework under oversight by the Director-General of CERN and coordinates with CERN divisions such as the Accelerator & Technology Sector and the Research Board. Leadership includes a Head of IT Department who liaises with experiment spokespersons from collaborations like ATLAS Collaboration, CMS Collaboration, ALICE Collaboration, and LHCb Collaboration. Policy and strategy are informed by working groups and panels involving stakeholders from member states including France, Switzerland, United Kingdom, Germany, Italy, and partner institutes such as CNRS, INFN, IN2P3, and the European Commission. Governance integrates compliance with international standards from bodies like the International Organization for Standardization and collaborations with funding agencies such as the European Research Council.
Infrastructure and Services
CERN IT operates primary facilities at the CERN Meyrin site and secondary data centres in locations collaborating with Tier 1 partners like KIT, RRCAT, and PIC. Core services include high-performance computing clusters supporting simulation frameworks used by GEANT4 and Pythia, storage systems compatible with protocols from the Open Grid Forum, and networking infrastructure connected to GÉANT and national research and education networks like SURFnet and RENATER. It provides identity and access management integrating technologies from LDAP and federations such as eduGAIN, middleware stacks used by experiments, email and collaboration tools interoperable with Microsoft Exchange and Zimbra, and software distribution using systems akin to CERNVM and cvmfs. Data preservation, archival solutions, and tape libraries are maintained in collaboration with centres such as FNAL and CNAF.
Research and Development
R&D efforts span distributed computing, data-intensive science, machine learning, and software engineering, with projects interfacing with frameworks like ROOT, TensorFlow, PyTorch, and simulation toolkits such as GEANT4. CERN IT contributes to open-source ecosystems including OpenStack Foundation, Kubernetes, Docker, and GitLab while engaging with academia through partnerships with universities like University of Geneva, ETH Zurich, and Imperial College London. Research topics include workflow orchestration for experiments such as ATLAS and CMS, accelerator control integrations related to Large Hadron Collider operations, and development of platforms for reproducible research aligning with initiatives like the European Open Science Cloud and the Software Heritage project.
Security and Operations
Operational responsibilities include 24/7 monitoring, incident response, and cybersecurity measures coordinated with CERT teams such as FIRST and regional CSIRTs. Security work addresses threats against grid services, cloud APIs, and network backbones while implementing authentication via X.509 certificates and federated identity approaches used by eduGAIN and experiment collaborations. Operational readiness aligns with safety and continuity frameworks from organisations like ISO and involves coordination with CERN Computer Security Team, external law enforcement when necessary, and national CERTs including CERT-EU.
Collaborations and Partnerships
CERN IT maintains strategic partnerships with international laboratories such as Fermilab, DESY, SLAC National Accelerator Laboratory, and KEK, and with infrastructure consortia like WLCG and GÉANT. It collaborates with industry partners including major vendors participating in procurement frameworks governed by CERN procurement rules and engages with open-source communities such as the Apache Software Foundation and the Linux Foundation. Educational and outreach collaborations include summer student programmes with universities like University of Oxford and University of Cambridge, training with organisations such as Software Carpentry, and standards work with bodies like the W3C.